2 literature references for Conilera cylindricacea (Montagu):

Author: Hayward, P.J.; Ryland, J.S. (Ed.)
Year: 1990
Title: The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.
Author:
Year:
Title: Aphia-team